Some of the major causes of air pollution include burning of fossil fuels, agricultural activities, exhaust from industries, vehicle fumes, mining operations and indoor pollutants. Air pollution has a negative impact on the environment and life in general.
Eastern Standard Time - is abbreviated as EST. Eastern Daylight Time- is abbreviated as EDT. Richmond, Virginia is GMT/UTC - 5h during Standard Time. Richmond, Virginia is GMT/UTC - 4h during Daylight Saving Time.
Like most states in the USA, () is observed in Virginia Time, where the time is shifted forward by 1 hour to (); which is 4 hours behind Greenwich Mean Time (). After the Summer months the time in Virginia Time is shifted back by 1 hour to US Eastern Standard Time (EST) or (GMT-5).